apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv0001
spec:
  storageClassName: manual
  accessModes:
    - ReadWriteOnce
  capacity:
    storage: 5Gi
  hostPath:
    path: /data/pv0001/
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: db-pv-claim
spec:
  storageClassName: manual
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 3Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mariadb-deployment
  labels:
    app: mariadb
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mariadb
  template:
    metadata:
      labels:
        app: mariadb
    spec:
      volumes:
      - name: db-pv-storage
        persistentVolumeClaim:
          claimName: db-pv-claim
      containers:
      - name: mariadb
        image: mariadb:11
        ports:
        - containerPort: 3306
          name: tcp-db-svc
        envFrom:
        - secretRef:
            name: db-secret
          prefix: MARIADB_
        env:
        - name: MARIADB_RANDOM_ROOT_PASSWORD
          value: "1"
        volumeMounts:
        - mountPath: "/var/lib/mysql"
          name: db-pv-storage
---
apiVersion: v1
kind: Service
metadata:
  name: mariadb-service
spec:
  selector:
    app: mariadb
  ports:
  - name: mariadb
    protocol: TCP
    port: 3306
    targetPort: tcp-db-svc